Vacuum imaging drum with media contours

Details Vacuum imaging drum with media contours Vacuum imaging drum with media contours

1997-08-18

2000-01-11

Barlow, John

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

346134, 346138, 346139D, 347218, B41J 2435, G03C 818

Patent

active

06014162&

ABSTRACT:
The present invention is for an image processing apparatus (10) for sheet thermal print media. The image processing apparatus (10) comprises a vacuum imaging drum (300) for holding thermal print media (32) and dye donor sheet material (36) in registration on the vacuum imaging drum (300). A printhead (500) moves along a line parallel to the longitudinal axis (X) of the vacuum imaging drum (300) as the vacuum imaging drum (300) rotates. The printhead (500) receives information signals and produces radiation which is directed to the dye donor sheet material (36) which causes color to transfer from the dye donor sheet material (36) to the thermal print media (32). The vacuum imaging drum (300), having media contours (328) on the outer surface to facilitate holding media onto a vacuum imaging drum (300) revolving at high speeds.

REFERENCES:
patent: 5053791 (1991-10-01), Baek et al.
patent: 5268708 (1993-12-01), Harshbarger et al.

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